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Autistic spectrum disorders

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https://www.readbyqxmd.com/read/29137272/immunological-cytokine-profiling-identifies-tnf-%C3%AE-as-a-key-molecule-dysregulated-in-autistic-children
#1
Jiang Xie, Li Huang, Xiaohong Li, Hua Li, Yongmei Zhou, Hua Zhu, Tianying Pan, Keith M Kendrick, Wenming Xu
Recent studies have suggested that the etiology of autism spectrum disorder (ASD) may be caused by immunological factors, particularly abnormalities in the innate immune system. However, it is still unclear which specific cytokines may be of most importance. The current study therefore investigated which cytokines showed altered concentrations in blood in ASD compared with healthy control children and which were also correlated with symptom severity. Our study sample included 32 children diagnosed with ASD and 28 age and sex-matched typically developing children...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29129723/neural-correlates-of-impaired-self-regulation-in-male-youths-with-autism-spectrum-disorder-a-voxel-based-morphometry-study
#2
Hsing-Chang Ni, Hsiang-Yuan Lin, Wen-Yih Isaac Tseng, Yen-Nan Chiu, Yu-Yu Wu, Wen-Che Tsai, Susan Shur-Fen Gau
Although recent studies revealed impaired self-regulation (dysregulation) in autism spectrum disorder (ASD), neural correlates of dysregulation and its impacts on autistic neuroanatomy remain unclear. Voxel-based morphometry was applied on structural MRI images in 81 ASD and 61 typically developing (TD) boys aged 7-17years. Dysregulation was defined by the sum of T-scores of Attention, Aggression, and Anxiety/Depression subscales in the Child Behavior Checklist>180. There were 53 and 28 boys in the ASD+Dysregulation and ASD-Dysregulation groups, respectively...
November 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29122693/vitamin-a-improves-the-symptoms-of-autism-spectrum-disorders-and-decreases-5-hydroxytryptamine-5-ht-a-pilot-study
#3
Min Guo, Jiang Zhu, Ting Yang, Xi Lai, Xiao Liu, Juan Liu, Jie Chen, Tingyu Li
Autism spectrum disorders (ASD) are complicated neurodevelopmental disorders. Many studies have demonstrated that children with autism have multiple nutritional deficiencies and increased serum 5-hydroxytryptamine (5-HT) levels. In our previous study, 77.9% of autistic children were found to have vitamin A deficiency, and the concentration of vitamin A was negatively associated with the CARS score. In the present study, we sought to test whether vitamin A supplementation could improve autistic symptoms and decrease serum 5-HT levels...
November 6, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29107450/epilepsy-as-a-network-disorder-1-what-can-we-learn-from-other-network-disorders-such-as-autistic-spectrum-disorder-and-mood-disorders
#4
REVIEW
Andres M Kanner, Helen Scharfman, Nathalie Jette, Evdokia Anagnostou, Christophe Bernard, Carol Camfield, Peter Camfield, Karen Legg, Ilan Dinstein, Peter Giacobe, Alon Friedman, Bernd Pohlmann-Eden
Epilepsy is a neurologic condition which often occurs with other neurologic and psychiatric disorders. The relation between epilepsy and these conditions is complex. Some population-based studies have identified a bidirectional relation, whereby not only patients with epilepsy are at increased risk of suffering from some of these neurologic and psychiatric disorders (migraine, stroke, dementia, autism, depression, anxiety disorders, Attention deficit hyperactivity disorder (ADHD), and psychosis), but also patients with these conditions are at increased risk of suffering from epilepsy...
October 26, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29104681/association-between-beta-sympathomimetic-tocolysis-and-risk-of-autistic-spectrum-disorders-behavioural-and-developmental-outcome-in-toddlers
#5
Mengühan Araz Altay, Işık Görker, Rakhshanda Aslanova, Leyla Bozatlı, Nesrin Turan, Petek Balkanlı Kaplan
AIM: To investigate whether maternal intravenous beta-mimetic tocolytic therapy increases the risk of autistic spectrum disorders (ASD) and poorer behavioural and developmental outcomes. METHOD: Our study is a prospective case-control study among 90 children between 1.5 and three years old. Cases (n = 46) were toddlers with betamimetic tocolytic exposure; control group toddlers (n = 44) were tocolytic untreated. Treated and untreated groups were also divided into subgroups: term and preterm delivered...
October 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29102779/sialic-acid-and-anti-ganglioside-antibody-levels-in-children-with-autism-spectrum-disorders
#6
Xiaolei Yang, Shuang Liang, Lin Wang, Panpan Han, Xitao Jiang, Jianli Wang, Yanqiu Hao, Lijie Wu
BACKGROUND: Autism spectrum disorders (ASD) may result from a combination of genetic and environmental factors, and impact neurological functions and behaviors. Sialic acid (SA) is an indispensable nutrient for early brain development, and its polymer polySia (PSA) can modify neural cell adhesion molecules (NCAM), thereby indirectly mediating neuronal outgrowth, synaptic connectivity and memory formation. To investigate the association between SA and ASD, we conducted a case-control study...
November 1, 2017: Brain Research
https://www.readbyqxmd.com/read/29101779/decreased-reward-value-of-biological-motion-among-individuals-with-autistic-traits
#7
Elin H Williams, Emily S Cross
The Social Motivation Theory posits that a reduced sensitivity to the value of social stimuli, specifically faces, can account for social impairments in Autism Spectrum Disorders (ASD). Research has demonstrated that typically developing (TD) individuals preferentially orient towards another type of salient social stimulus, namely biological motion. Individuals with ASD, however, do not show this preference. While the reward value of faces to both TD and ASD individuals has been well-established, the extent to which individuals from these populations also find human motion to be rewarding remains poorly understood...
November 1, 2017: Cognition
https://www.readbyqxmd.com/read/29100626/heritable-variation-with-little-or-no-maternal-effect-accounts-for-recurrence-risk-to-autism-spectrum-disorder-in-sweden
#8
Benjamin Hon Kei Yip, Dan Bai, Behrang Mahjani, Lambertus Klei, Yudi Pawitan, Christina M Hultman, Dorothy E Grice, Kathryn Roeder, Joseph D Buxbaum, Bernie Devlin, Abraham Reichenberg, Sven Sandin
BACKGROUND: Autism spectrum disorder (ASD) has both genetic and environmental origins, including potentially maternal effects. Maternal effects describe association of one or more maternal phenotypes with liability to ASD in progeny that are independent of maternally transmitted risk alleles. While maternal effects could play an important role, consistent with association to maternal traits such as immune status, no study has estimated maternal, additive genetic, and environmental effects in ASD...
September 21, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29093634/valproic-acid-induces-telomerase-reverse-transcriptase-expression-during-cortical-development
#9
Ki Chan Kim, Chang Soon Choi, Edson Luck T Gonzales, Darine Froy N Mabunga, Sung Hoon Lee, Se Jin Jeon, Ram Hwangbo, Minha Hong, Jong Hoon Ryu, Seol-Heui Han, Geon Ho Bahn, Chan Young Shin
The valproic acid (VPA)-induced animal model is one of the most widely utilized environmental risk factor models of autism. Autism spectrum disorder (ASD) remains an insurmountable challenge among neurodevelopmental disorders due to its heterogeneity, unresolved pathological pathways and lack of treatment. We previously reported that VPA-exposed rats and cultured rat primary neurons have increased Pax6 expression during post-midterm embryonic development which led to the sequential upregulation of glutamatergic neuronal markers...
October 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/29091821/are-gastrointestinal-and-sleep-problems-associated-with-behavioral-symptoms-of-autism-spectrum-disorder
#10
Xiao-Lei Yang, Shuang Liang, Ming-Yang Zou, Cai-Hong Sun, Pan-Pan Han, Xi-Tao Jiang, Wei Xia, Li-Jie Wu
Many children with autism spectrum disorder (ASD) suffer from concurrent medical symptoms, including gastrointestinal (GI) and sleeping problems. However, there is limited information on the correlation between co-morbidities and autistic behavioral symptoms. In this study, we estimated the prevalence of GI and sleep problems in Chinese ASD children, examined the impacts of GI and sleep problems on autistic behavioral symptoms, and investigated the factors associated with GI and sleep problems. The survey included 169 ASD and 172 healthy children...
October 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29075622/autistic-siblings-with-novel-mutations-in-two-different-genes-insight-for-genetic-workups-of-autistic-siblings-and-connection-to-mitochondrial-dysfunction
#11
Barrett J Burger, Shannon Rose, Sirish C Bennuri, Pritmohinder S Gill, Marie L Tippett, Leanna Delhey, Stepan Melnyk, Richard E Frye
The prevalence of autism spectrum disorder (ASD) is high, yet the etiology of this disorder is still uncertain. Advancements in genetic analysis have provided the ability to identify potential genetic changes that may contribute to ASD. Interestingly, several genetic syndromes have been linked to metabolic dysfunction, suggesting an avenue for treatment. In this case study, we report siblings with ASD who had similar initial phenotypic presentations. Whole exome sequencing (WES) revealed a novel c.795delT mutation in the WDR45 gene affecting the girl, which was consistent with her eventual progression to a Rett-like syndrome phenotype including seizures along with a stereotypical cyclic breathing pattern...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29075217/sensory-processing-in-children-with-autism-spectrum-disorder-and-or-attention-deficit-hyperactivity-disorder-in-the-home-and-classroom-contexts
#12
Pilar Sanz-Cervera, Gemma Pastor-Cerezuela, Francisco González-Sala, Raúl Tárraga-Mínguez, Maria-Inmaculada Fernández-Andrés
Children with neurodevelopmental disorders often show impairments in sensory processing (SP) and higher functions. The main objective of this study was to compare SP, praxis and social participation (SOC) in four groups of children: ASD Group (n = 21), ADHD Group (n = 21), ASD+ADHD Group (n = 21), and Comparison Group (n = 27). Participants were the parents and teachers of these children who were 5-8 years old (M = 6.32). They completed the Sensory Processing Measure (SPM) to evaluate the sensory profile, praxis and SOC of the children in both the home and classroom contexts...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29071983/-a-preliminary-study-on-effect-of-transcutaneous-electrical-acupoint-stimulation-for-children-with-autism
#13
Ji-Shui Zhang, Xiu-Ting Zhang, Li-Ping Zou, Rong Zhang, Song-Ping Han, Ji-Sheng Han
OBJECTIVE: To investigate the clinical efficacy of transcutaneous electrical acupoint stimulation (TEAS) in treating children with autism spectrum disorders. METHODS: Forty-one autistic children receiving rehabilitation training were randomized into TEAS (n=21) and control (n=20) groups. The control group only received rehabilitation training. The TEAS group received both rehabilitation training and TEAS treatment[2 Hz/15 Hz alternating frequencies through two pairs of skin electrodes placed at Hegu (LI 4)-Neiguan (PC 6) on unilateral side, and Zusanli (ST 36)-Sanyinjiao (SP 6) on the contralateral side]...
June 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29069617/development-of-brain-network-in-children-with-autism-from-early-childhood-to-late-childhood
#14
Junxia Han, Ke Zeng, Jiannan Kang, Zhen Tong, Erjuan Cai, He Chen, Meng Ding, Yue Gu, Gaoxiang Ouyang, Xiaoli Li
Extensive studies have indicated brain function connectivity abnormalities in autism spectrum disorder (ASD). However, there is a lack of longitudinal or cross-sectional research focused on tracking age-related developmental trends of autistic children at an early stage of brain development or based on a relatively large sample. The present study examined brain network changes in a total of 186 children both with and without ASD from 3 to 11 years, an early and key development period when significant changes are expected...
October 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/29066747/automatic-recognition-of-therapy-progress-among-children-with-autism
#15
Agata Kołakowska, Agnieszka Landowska, Anna Anzulewicz, Krzysztof Sobota
The article presents a research study on recognizing therapy progress among children with autism spectrum disorder. The progress is recognized on the basis of behavioural data gathered via five specially designed tablet games. Over 180 distinct parameters are calculated on the basis of raw data delivered via the game flow and tablet sensors - i.e. touch screen, accelerometer and gyroscope. The results obtained confirm the possibility of recognizing progress in particular areas of development. The recognition accuracy exceeds 80%...
October 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29063903/iron-and-vitamin-d-levels-among-autism-spectrum-disorders-children
#16
Abdulbari Bener, Azhar O Khattab, Dinesh Bhugra, Georg F Hoffmann
AIM: The aim of this study was to investigate iron deficiency anemia and Vitamin D deficiency among autism children and to assess the importance of risk factors (determinants). SUBJECTS AND METHODS: This was a case-control study conducted among children suffering from autism at the Hamad Medical Corporation in Qatar. A total of 308 cases and equal number of controls were enrolled. The Autism Diagnostic Observation Schedule-Generic was the instrument used for diagnosis of Autism...
October 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/29063427/atopic-dermatitis-disease-background-and-risk-factors
#17
Zelma C Chiesa Fuxench
Multiple risk factors have been associated with the development of atopic dermatitis (AD). Recent advances in understanding the role of genetics in this disease have been made, with discovery of the filaggrin (FLG) gene as the most notable so far. In addition to FLG gene mutations as a risk factor for AD, a positive family history of atopic or allergic disease in either parent, has been shown to confer a greater risk of developing AD. Atopic dermatitis usually presents early in life and is thought to represent the initial-step in the "atopic march" which is characterized by the development of other atopic diseases later in life such as asthma, allergic rhinitis and/or rhinoconjunctivitis, food allergies and hay fever...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29063203/cortical-dysplasia-and-autistic-trait-severity-in-children-with-tuberous-sclerosis-complex-a-clinical-epidemiological-study
#18
Sabine E Mous, Iris E Overwater, Rita Vidal Gato, Jorieke Duvekot, Leontine W Ten Hoopen, Maarten H Lequin, Marie-Claire Y de Wit, Gwendolyn C Dieleman
Tuberous Sclerosis Complex (TSC) is characterized by a high prevalence of autism spectrum disorders (ASD). Little is known about the relation between cortical dysplasia and ASD severity in TSC. We assessed ASD severity (using the Autism Diagnostic Observation Scale), tuber and radial migration line (RML) count and location, and cognitive functioning in 52 children with TSC and performed regression and mediation analyses. Tuber and RML count were strongly positively related to ASD severity. However, when correcting for cognitive functioning, the majority of associations became insignificant and only total tuber count remained associated to the severity of restricted/repetitive behaviors...
October 23, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/29059864/automatic-detection-and-labeling-of-self-stimulatory-behavioral-patterns-in-children-with-autism-spectrum-disorder
#19
Cheol-Hong Min
An infrastructure to record, detect and label the behavioral patterns of children with Autism Spectrum Disorder (ASD) has been developed. The system incorporates 2 different sensor platforms which are wearable and static. The wearable system is based on accelerometer which detects behavioral patterns of a subject, while the static sensors are microphones and cameras which captures the sounds, images and videos of the subjects within a room. The video also provides ground truth for wearable sensor data analysis...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29057532/lobular-patterns-of-cerebellar-resting-state-connectivity-in-adults-with-autism-spectrum-disorder
#20
Giusy Olivito, Michela Lupo, Fiorenzo Laghi, Silvia Clausi, Roberto Baiocco, Mara Cercignani, Marco Bozzali, Maria Leggio
Autism Spectrum disorder is a neurodevelopmental disorder characterized by core deficits in social functioning. Core autistics traits refer to poor social and imagination skills, poor attention-switching/strong focus of attention, exceptional attention to detail, as expressed by the Autism-Spectrum Quotient. Over the years, the importance of the cerebellum in the etiology of Autism Spectrum Disorder has been acknowledged. Neuroimaging studies have provided a strong support to this view, showing both structural and functional connectivity alterations to affect the cerebellum in Autism Spectrum Disorder...
October 23, 2017: European Journal of Neuroscience
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